Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
Komatsu HM300-3 is a rigid-frame off-highway truck designed for hauling material in mining, quarry, and large earthmoving applications. It is part of Komatsu's HM-series articulated and rigid haul truck lineup and is commonly used for site development, road construction, and bulk material transport. The HM300-3 is powered by a Komatsu diesel engine and features a high-capacity dump body, all-wheel drive, and operator-focused controls for production hauling. Its design emphasizes load carrying, traction, and durability on rough terrain. The model is used in applications requiring efficient transport of soil, rock, aggregate, and overburden.